(Paris, Crochard, 1838). No wrappers. In: "Annales de Chimie et de Physique", 2. Series, Tome 67, 1. issue. Pp. 5-112 and Tome 69, 4. issue. Pp. 353-448. Boussingault's papers: pp. 5-54 and pp. 353-367.
First appearance of these classical papers on plant nutrition, in which Boussingault verified that nitrogen could not come from watering nor from atmospheric dust, but was taken in from the atmosphere.